Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
7 Cards in this Set
- Front
- Back
Polygon exterior angles |
Add up to 360sum |
|
Sum of interior angles of polygon |
(n-2)x180
(n is number of sides of polygons) |
|
Regular polygon properties |
Equal sides & equal angles
|
|
Regular polygon exterior angle formula |
360/n
|
|
Compound Interest |
A = p ( 1 + r/100 )n
Amount Principal Rate number of years |
|
Trapezium |
Area: 1/2 (a+b)h Perimeter: sum of all sides |
|
cosine rule |
To find length (1 angle/2 sides): a2 = b2 + c2 - 2bc (cos A)
To find angle (3 sides) cos A = (b2+c2-a2) / 2ab |